procedure for law enforcement, their priorities at the moment when something like this happens? >> well, so right now they have the person in custody, so whether that's the owner of the car or the person who was driving it or someone who knows who that is, that information will likely come out. and now if it's not the driver of the car, there will be a search for the driver of the car. so that's going on. i think it's noticeable that the fbi has not gotten involved with this case. in most cases that are suspected terrorism, they would have by this stage. so that's also good news in the sense that maybe it doesn't seem like we have a terror threat right now. and then every mayor and police chief will assess their parade and holiday planning to ensure that there are protocols for a rampaged vehicle, whether it's purposeful or on accident. >> that's a good point. there will be a lot of revision going on. juliette, thank you so much. juliette kayyem, appreciate it. >> thank you so much. and lawmakers representing